Irwin Bi-Metal Hole Saws 5-1/2" Bargains of the Month - August as well as all manufactures'

as well as all manufactures' specs

milled face design ideal for all framing applications

For use with Superstrut metal framing and hanger systems

The CEE thread also reduces the friction on the screw shank which can result in lowering the driving torque and the likelihood of splitting the wood

Tempered hardened steel

Irwin Bi-Metal Hole Saws 5-1/2" Bargains of the Month - August as well as all manufactures'Bi Metal Hole Saws Features: Variable depth gullets provide more efficient chip clearance 4 6 Variable pitch teeth for reduced noise and improved performance Electron beam weld for stronger, longer lasting teeth Bi metal construction for toughness and long life